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Finding the Fourth Proportional to 491,468.85, 737,203.55 and 136,482.84

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Solution

The fourth proportional to 491,468.85, 737,203.55 and 136,482.84 is: 204,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,468.85 : 737,203.55 = 136,482.84 : x
  2. Step 2: Convert to fraction form
    491,468.85/737,203.55 = 136,482.84/x
  3. Step 3: Cross multiply
    491,468.85x = 737,203.55 × 136,482.84
  4. Step 4: Simplify right side
    491,468.85x = 100,615,633,479.67
  5. Step 5: Solve for x
    x = 100,615,633,479.67/491,468.85
  6. Step 6: Final answer
    x = 204,724.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.